# Exception Error
**URL:** https://forum.mautic.org/t/exception-error/5632
**Category:** Product Support
**Created:** [April 1, 2016, 7:13am UTC](https://forum.mautic.org/t/exception-error/5632 "2016-04-01T07:13:48Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@Peter\_Ramalema](https://forum.mautic.org/u/Peter_Ramalema)
#### Post date: [April 1, 2016, 7:13am UTC](https://forum.mautic.org/t/exception-error/5632/1 "2016-04-01T07:13:48Z")
Hi There, I have tried to upgrade my current Mautic version and now I am getting the error below when I try to login.
any idea how to resolve this issue. I tried repairing the database and rebooting the server but this error still persist
Regards
Peter
An exception occurred while executing ‘SELECT t0\_.is\_published AS is\_published0, t0\_.date\_added AS date\_added1, t0\_.created\_by AS created\_by2, t0\_.created\_by\_user AS created\_by\_user3, t0\_.date\_modified AS date\_modified4, t0\_.modified\_by AS modified\_by5, t0\_.modified\_by\_user AS modified\_by\_user6, t0\_.checked\_out AS checked\_out7, t0\_.checked\_out\_by AS checked\_out\_by8, t0\_.checked\_out\_by\_user AS checked\_out\_by\_user9, t0\_.id AS id10, t0\_.username AS username11, t0\_.password AS password12, t0\_.first\_name AS first\_name13, t0\_.last\_name AS last\_name14, t0\_.email AS email15, t0\_.position AS position16, t0\_.timezone AS timezone17, t0\_.locale AS locale18, t0\_.last\_login AS last\_login19, t0\_.last\_active AS last\_active20, t0\_.online\_status AS online\_status21, t0\_.preferences AS preferences22, t0\_.signature AS signature23, t1\_.is\_published AS is\_published24, t1\_.date\_added AS date\_added25, t1\_.created\_by AS created\_by26, t1\_.created\_by\_user AS created\_by\_user27, t1\_.date\_modified AS date\_modified28, t1\_.modified\_by AS modified\_by29, t1\_.modified\_by\_user AS modified\_by\_user30, t1\_.checked\_out AS checked\_out31, t1\_.checked\_out\_by AS checked\_out\_by32, t1\_.checked\_out\_by\_user AS checked\_out\_by\_user33, t1\_.id AS id34, t1\_.name AS name35, t1\_.description AS description36, t1\_.is\_admin AS is\_admin37, t1\_.readable\_permissions AS readable\_permissions38, t0\_.role\_id AS role\_id39 FROM tblusers t0\_ LEFT JOIN tblroles t1\_ ON t0\_.role\_id = t1\_.id WHERE t0\_.username = ? OR t0\_.email = ?’ with params [“admin”, “admin”]: SQLSTATE[42S22]: Column not found: 1054 Unknown column ‘t0\_.signature’ in ‘field list’
---
### Author:  [@Peter\_Ramalema](https://forum.mautic.org/u/Peter_Ramalema)
#### Post date: [April 1, 2016, 7:13am UTC](https://forum.mautic.org/t/exception-error/5632/2 "2016-04-01T07:13:48Z")
Hi There, I have tried to upgrade my current Mautic version and now I am getting the error below when I try to login.
any idea how to resolve this issue. I tried repairing the database and rebooting the server but this error still persist
Regards
Peter
An exception occurred while executing ‘SELECT t0\_.is\_published AS is\_published0, t0\_.date\_added AS date\_added1, t0\_.created\_by AS created\_by2, t0\_.created\_by\_user AS created\_by\_user3, t0\_.date\_modified AS date\_modified4, t0\_.modified\_by AS modified\_by5, t0\_.modified\_by\_user AS modified\_by\_user6, t0\_.checked\_out AS checked\_out7, t0\_.checked\_out\_by AS checked\_out\_by8, t0\_.checked\_out\_by\_user AS checked\_out\_by\_user9, t0\_.id AS id10, t0\_.username AS username11, t0\_.password AS password12, t0\_.first\_name AS first\_name13, t0\_.last\_name AS last\_name14, t0\_.email AS email15, t0\_.position AS position16, t0\_.timezone AS timezone17, t0\_.locale AS locale18, t0\_.last\_login AS last\_login19, t0\_.last\_active AS last\_active20, t0\_.online\_status AS online\_status21, t0\_.preferences AS preferences22, t0\_.signature AS signature23, t1\_.is\_published AS is\_published24, t1\_.date\_added AS date\_added25, t1\_.created\_by AS created\_by26, t1\_.created\_by\_user AS created\_by\_user27, t1\_.date\_modified AS date\_modified28, t1\_.modified\_by AS modified\_by29, t1\_.modified\_by\_user AS modified\_by\_user30, t1\_.checked\_out AS checked\_out31, t1\_.checked\_out\_by AS checked\_out\_by32, t1\_.checked\_out\_by\_user AS checked\_out\_by\_user33, t1\_.id AS id34, t1\_.name AS name35, t1\_.description AS description36, t1\_.is\_admin AS is\_admin37, t1\_.readable\_permissions AS readable\_permissions38, t0\_.role\_id AS role\_id39 FROM tblusers t0\_ LEFT JOIN tblroles t1\_ ON t0\_.role\_id = t1\_.id WHERE t0\_.username = ? OR t0\_.email = ?’ with params [“admin”, “admin”]: SQLSTATE[42S22]: Column not found: 1054 Unknown column ‘t0\_.signature’ in ‘field list’